About Us Application Product

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About Us
Xi’an Union Surf-Tech Co. Ltd was established at 1999, Xi’an Jiao Tong University joint as technique share holder.  The R& D Center for Surface Engineering of Materials in Military and General is subsidiary organization of Union Surf-tech Co. Ltd  (Authorized by COSTIND) Union Surf-Tech and Xi’an Jiao Tong University has been fulfill the National Key Technologies R&D Program and National High-Tech R&D Program(863 Program) of The Ministry of Science and Technology of P. R. China. The whole set industrial technology of Cutting tools and mould surface ceramic coating could increase the life of Cutting tools and mould wear resisting parts 1-40times, improving the quality of products, reducing costs, offering mighty support for enterprise success in market.
Facility: Plasma Assistant Nitriding & Coating Machine
Plasma Enhanced Injecting & Coating Machine
Multi function Magnetron Sputter Ion Plating Machine
Cutting tools, Mould Surface Enhance Product Line
Testing equipment etc.

Technique resources:
We have 13 experts in our R&D Department including 1 Academician of Chinese Academy of Sciences, 12 doctors of surface treatment of materials

Business range:
Cutting tools and mould surface ceramic coating equipment (PCVD, PVD) manufacturing
Surface ceramic coating process
Micro arc oxidation (MAO) process
Chemical compound coating process
Ion nitrification process
New material technique developing and consulting

The Coating Researched:

Coating

Description

Properties

APPLICATION

MICROHARDNESS (HV 0.05)

FRICTION COEFFICIENT(DRY)

MAX WORK TEMPERATURE (°C)

COLOR

TiN

HIGH HARDNESS WEAR RESISTANCE COATING IN WIDE APPLICATION

2,300

0.4

600

GOLD

DRILL、INSERT、PUNCH
THREAD CUTTER、MILL、CIRCULAR SAW MOULD、GEAR CUTTER HOB

TiCN

DENSIFICATION  HARD
ADHESION RESISTANCE COATING

3,000

0.4

400

BLUE-GRAY

DRILL、INSERT、PUNCH
THREAD CUTTER、MILL、CIRCULAR SAW MOULD、GEAR CUTTER HOB

CrN

HARD ADHESION RESISTANCE AND WEAR RESISTANCE COATING

1,750

0.5

700

SILVER-GRAY

DRILL、THREAD CUTTER MILL CUTTER(Ti Cu ALLOY ONLY)
PUNCH、CASTING MOULD

TiAlN

IDEAL THERMO STABLE HIGH SPEED CUTTING&MILLING COATING

3,300

0.25

900

PURPLE GRAY

CARBIDE INSERT & TOOL
INJECT DIE、DRILL
HIGH SPEED CUTTING&MILLING

TiCrN

TOUGHNESS MUTI-LAYER COAT ,SUIT FOR ACUITY TRIBO-CHEMISTRY WORK

2,100

0.5

700

DARK GRAY

TRIBO-CHEMISTRY RESISTANCE AND HIGH DUCTILITY HIGHSPEED MILL AND CUTTER